Monte Services, Inc. is trying to establish the standard labor cost of a typical oil change. The following data have been collected from time and motion studies conducted over the past month. Your answer is incorrect. Determine the standard direct labor hours per oil change. (Round answer to 2 decimal places, e.g. 1.25.) Your answer is correct. Determine the standard direct labor hourly rate. (Round answer to 2 decimal places, e.g. 1.25.) Your answer is incorrect. Determine the standard direct labor cost per oil change. (Round answer to 2 decimal places, e.g. 1.25.) Your answer is incorrect. If an oil change took 3.60 hours at the standard hourly rate, what was the direct labor quantity variance? (Round answer to 2 decimal places, e.g. 1.25.)